Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_MED,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: : mailn 1480; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id v4IHoNX0011104 for ; Thu, 18 May 2017 19:50:24 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1dBPUs-0000GB-Js for rs_out_1@blacksheep.org; Thu, 18 May 2017 18:45:58 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1dBPUq-0000G2-Po for rsgb_lf_group@blacksheep.org; Thu, 18 May 2017 18:45:56 +0100 Received: from mout.kundenserver.de ([212.227.17.10]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1dBPUn-0007ij-SL for rsgb_lf_group@blacksheep.org; Thu, 18 May 2017 18:45:55 +0100 Received: from [192.168.2.100] ([217.82.31.146]) by mrelayeu.kundenserver.de (mreue103 [212.227.15.183]) with ESMTPSA (Nemesis) id 0MMYL0-1d4EUY2Lr4-008K6r for ; Thu, 18 May 2017 19:45:52 +0200 To: rsgb_lf_group@blacksheep.org From: Peter Message-ID: <07558728-336b-cb7c-bc04-4d7718f5b97c@df3lp.de> Date: Thu, 18 May 2017 19:45:51 +0200 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 X-Provags-ID: V03:K0:H3JFA1fV5gy4RNMpG1YHWVaZIOGNkOdxOh5S9GdcQmvsS94vZjj 8op8oy0xCvnXpP1wd8apE51T1BbZDK5oKqCNW5nD/CiMKMrdmOLpo06lumH1QGYx6RyAwNC 2EnJnFq7fWXFBMrt5ooEGL9vN5zSkxPDhgAv3Vv9Z1chb++UWHS8AelAqKMiQqe/8tzKXux gLSMa9VjeVnLt3Wfwn3RQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:8MQxBknUQFc=:1Amyl19j/Wj64gEcv1gxLg oD0KbF3VYIG0CQwyO5oqrNM3K5ER0kH92pV5DYJcGstlhucJYRC6MtCURWuA2Zq1zFkNYYDS6 juvhkveSlbSvfF46d3s6DotwxZGhJTL3TVeHftNc/A/p0DbFI25T46gbgQx2aUblm5SDkHOLn yHZdVSnFTIrwyxifTfdBikNed+67IES2QvCjjwR2TF+5cBGjER75uoAHtzKgHbw3mjf6MBMgT VkYQ5wkRYc9aPAnUmwIkVKZJ7hD1NlMshLi3VtUYRGg0FQ5T3CQieY3wqDStlTgwaYj0xH3Xh 3E+UWKYgd7qw8vhgeJv4DTYyq/Aabh33ea2Xu1KGD3+jicJhvjq1f8UwREYJSInRmU3cVZz0y d7O38vLKXEMeXvqrZS5U7100++Ti7ZrOCedrLPCGbzNzrJdft6STrznIn5OKyOet2zBy3KlaZ cxqGa9sufl08FwENDy26e9hgwIcQto9F2/bxmsqg/y9WiSrf8pdPrNX0knPcqEmT5z7SyBFBo WweE1mpcd3Q0rD2jr9qUrur1P+SieQ7BVl7IUBpvTqf1uMK0tT21tb+7VLvThXa/7YXrOmBIk s79g/nK/X9MtfHmPHsoLKRimg7qIgsBvZC9PamqeBhAEq/0wt/g02s57zwZYXm29CFcK3tPmb nvCQGbdHnIHPJqKfsng3CexDTQsA45GBL9hGJBuq4wmjtxohn3oQyBLm/IMgQUAX9v8T8aasf /RGvI5lX8G3F22Ea X-Scan-Signature: 1f795a2ee1ecd56682b47ad11969b3d3 Subject: LF: VLF Transmissions from Spacecraft Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-Scanned-By: MIMEDefang 2.75 Status: RO X-Status: X-Keywords: X-UID: 11711 FYI: The "DSX" satellite will carry a 0.5-0.9 kw, 3 to 50 kHz (pulsed?) VLF transmitter. Citation from: www.dtic.mil/dtic/tr/fulltext/u2/a531813.pdf : "...and a two week high-power VLF transmission campaign will occur near the end of the mission." End of life is planned at 12 months after launch and "Early Operations". As far as I understand the tx-antenna will be a 2x40m dipole. Launch is scheduled for 2017-xx-xx (Falcon Heavy launch vehicle). 73 de df3lp, Peter